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By "mushroom cloud" they must have meant the ball of dust thrown up by an explosion at/below the lunar surface. That is why Sagan would have suggested it as a p
by versteegen 11y ago
By "mushroom cloud" they must have meant the ball of dust thrown up by an explosion at/below the lunar surface. That is why Sagan would have suggested it as a possibility for detecting micro-organisms.
- justin_vanw 11y agoBut it still wouldn't make a cloud, it would just scatter dust, and each particle of dust would fall back to the moon in a ballistic trajectory (it would not last long at all).